richtek,rt9120.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/richtek,rt9120.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Richtek RT9120 Class-D audio amplifier
    8 
    9 maintainers:
   10   - ChiYuan Huang <cy_huang@richtek.com>
   11 
   12 description: |
   13   The RT9120 is a high efficiency, I2S-input, stereo audio power amplifier
   14   delivering 2*20W into 8 Ohm BTL speaker loads. It supports the wide input
   15   voltage  range from 4.5V to 26.4V to meet the need on most common
   16   applications like as TV, monitors. home entertainment, electronic music
   17   equipment.
   18 
   19 properties:
   20   compatible:
   21     enum:
   22       - richtek,rt9120
   23 
   24   reg:
   25     description: I2C device address
   26     maxItems: 1
   27 
   28   pwdnn-gpios:
   29     description: GPIO used for power down, low active
   30     maxItems: 1
   31 
   32   dvdd-supply:
   33     description: |
   34       Supply for the default on DVDD power, voltage domain must be 3P3V or 1P8V
   35 
   36   '#sound-dai-cells':
   37     const: 0
   38 
   39 required:
   40   - compatible
   41   - reg
   42   - dvdd-supply
   43   - '#sound-dai-cells'
   44 
   45 additionalProperties: false
   46 
   47 examples:
   48   - |
   49     i2c {
   50       #address-cells = <1>;
   51       #size-cells = <0>;
   52       rt9120@1a {
   53         compatible = "richtek,rt9120";
   54         reg = <0x1a>;
   55         pwdnn-gpios = <&gpio26 2 0>;
   56         dvdd-supply = <&vdd_io_reg>;
   57         #sound-dai-cells = <0>;
   58       };
   59     };

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sys/contrib/device-tree/Bindings/sound/richtek,rt9120.yaml